This patch updates the driver to make Rx Fifo water mark value
as a module parameter.
Signed-off-by: NAnurag Kumar Vulisha <anuragku@xilinx.com>
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>
Signed-off-by: NTejun Heo <tj@kernel.org>